Index: /usr/src/sys/dev/usb/serial/u3g.c
===================================================================
--- /usr/src/sys/dev/usb/serial/u3g.c	(revision 326218)
+++ /usr/src/sys/dev/usb/serial/u3g.c	(working copy)
@@ -306,7 +306,7 @@
 	U3G_DEV(HUAWEI, E173, 0),
 	U3G_DEV(HUAWEI, E173_INIT, U3GINIT_HUAWEISCSI),
 	U3G_DEV(HUAWEI, E3131, 0),
-	U3G_DEV(HUAWEI, E3131_INIT, U3GINIT_HUAWEISCSI),
+	U3G_DEV(HUAWEI, E3131_INIT, U3GINIT_HUAWEISCSI2),
 	U3G_DEV(HUAWEI, E180V, U3GINIT_HUAWEI),
 	U3G_DEV(HUAWEI, E220, U3GINIT_HUAWEI),
 	U3G_DEV(HUAWEI, E220BIS, U3GINIT_HUAWEI),
@@ -324,6 +324,8 @@
 	U3G_DEV(HUAWEI, K3770_INIT, U3GINIT_HUAWEISCSI),
 	U3G_DEV(HUAWEI, K4505, U3GINIT_HUAWEI),
 	U3G_DEV(HUAWEI, K4505_INIT, U3GINIT_HUAWEISCSI),
+	U3G_DEV(HUAWEI, E3272_INIT, U3GINIT_HUAWEISCSI),
+	U3G_DEV(HUAWEI, E3272, 0),
 	U3G_DEV(HUAWEI, ETS2055, U3GINIT_HUAWEI),
 	U3G_DEV(KYOCERA2, CDMA_MSM_K, 0),
 	U3G_DEV(KYOCERA2, KPC680, 0),
@@ -590,6 +592,15 @@
 MODULE_VERSION(u3g, 1);
 USB_PNP_HOST_INFO(u3g_devs);
 
+/* Huawei specific: see if_cdce.c for more ids. */
+#define U3G_HUAWEI_IS_CDC(info, iface_descr)				\
+	((info)->idVendor == USB_VENDOR_HUAWEI &&			\
+	(iface_descr)->bInterfaceClass == UICLASS_VENDOR &&		\
+	(iface_descr)->bInterfaceSubClass == 0x02 &&			\
+	((iface_descr)->bInterfaceProtocol == 0x16 ||			\
+	(iface_descr)->bInterfaceProtocol == 0x46 ||			\
+	(iface_descr)->bInterfaceProtocol == 0x76))
+
 static int
 u3g_sierra_init(struct usb_device *udev)
 {
@@ -839,6 +850,10 @@
 	if (uaa->info.bInterfaceClass != UICLASS_VENDOR) {
 		return (ENXIO);
 	}
+	/* Huawei specific: skip cdce devices. */
+	if (U3G_HUAWEI_IS_CDC(&uaa->info, &uaa->info)) {
+		return (ENXIO);
+	}
 	return (usbd_lookup_id_by_uaa(u3g_devs, sizeof(u3g_devs), uaa));
 }
 
@@ -882,6 +897,9 @@
 		id = usbd_get_interface_descriptor(iface);
 		if (id == NULL || id->bInterfaceClass != UICLASS_VENDOR)
 			continue;
+		/* Huawei specific: skip cdce devices. */
+		if (U3G_HUAWEI_IS_CDC(&uaa->info, id))
+			continue;
 		usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
 		iface_valid |= (1<<i);
 	}